昨晚，小米创办人雷军完成了其在马年后的首场直播，主题为「小米汽车安全专场」。
Фото: Ramil Sitdikov / Pool / Reuters
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Finding these optimization opportunities can itself be a significant undertaking. It requires end-to-end understanding of the spec to identify which behaviors are observable and which can safely be elided. Even then, whether a given optimization is actually spec-compliant is often unclear. Implementers must make judgment calls about which semantics they can relax without breaking compatibility. This puts enormous pressure on runtime teams to become spec experts just to achieve acceptable performance.